Finding the Fourth Proportional to 397,476.77, 548,502.18 and 216,188.44
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Solution
The fourth proportional to 397,476.77, 548,502.18 and 216,188.44 is: 298,331.48
Step by Step Solution
- Step 1: Write the proportion equation
397,476.77 : 548,502.18 = 216,188.44 : x - Step 2: Convert to fraction form
397,476.77/548,502.18 = 216,188.44/x - Step 3: Cross multiply
397,476.77x = 548,502.18 × 216,188.44 - Step 4: Simplify right side
397,476.77x = 118,579,832,750.22 - Step 5: Solve for x
x = 118,579,832,750.22/397,476.77 - Step 6: Final answer
x = 298,331.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.